Audio problem: After finding a large hollow tree to serve as a shelter, Sam proceeds to chip away at the interior with his hatchet, to make the space larger. But the sounds of the hatchet don't even come close to coinciding with the actual strikes of the blade. (00:17:05)
Audio problem: When the baddies' car skids on the park's grass, it makes screeching noises, which it should only make on the road.